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- 검색키워드
- 저자 : Bingjun Qian (검색결과 3 건)
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Bingjun Qian,Lei Huang,Jing Zhao,Juan Zhu 한국식품과학회 2021 Food Science and Biotechnology Vol.30 No.4
In this study, the physiochemical and antioxidantproperties of the soybean hulls from the genetically modifiedglyphosate-tolerant soybeans (line 40-3-2) and localcultivar northeast soybeans were investigated. The levels offat, total phenolic, total extractable pectin and solubledietary fiber in northeast soybeans hulls were less than thatin glyphosate-tolerant soybeans hulls, respectively. Theantioxidant capacity of total phenolic, water soluble pectin,and soluble dietary fiber showed that DPPH free radicalscavenging activities of glyphosate-tolerant soybeans hullswere 118.23, 57.34 and 197.22 lg AAE/g, which were 2.3,1.2 and 9.4 times of northeast soybeans hulls, respectively(p\0.05), and FRAP of glyphosate-tolerant soybeanshulls were 401.67, 747.51 and 328.53 lg AAE/g, whichwere 1.8, 8.7 and 4.8 times of northeast soybeans hulls(p\0.05). Glyphosate-tolerant soybeans hulls extractshowed the stronger antioxidant activity, which was positivelycorrelated with total phenolic content (r = 0.890,p = 0.001). It provides evidence on developing valueaddedutilization of hulls, soybean processing by-products,as nutraceuticals or functional food ingredients.
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Yun Deng,Yali Luo,Bingjun Qian,Zhenmin Liu,Yuanrong Zheng,Xiaoyong Song,Shaojuan Lai,Yanyun Zhao 한국식품과학회 2014 Food Science and Biotechnology Vol.23 No.2
The antihypertensive activity of few-flower wildrice was studied in spontaneously hypertensive rats (SHRs)with evaluation of blood pressure lowering effects andtranscriptional levels of the sarcoplasmic reticulum Ca2+-ATPase (SERCA2a) gene that is regulated by AngiotensinII (Ang II). SHRs were randomly divided into 5 groupswith 6 rats each. The systolic blood pressure (SBP) reachedthe lowest point 3 h after administration of a single dose ofpaste made from few-flower wild rice stem powder. TheSBP of SHR in the relatively high amount of RSP (HRSP)administrated group was reduced by approximately 30mmHg, compared to the negative control group, and wasnot significantly different from the positive control IPPcontrol group at a dose of 1.5 mg/kg body weight (p>0.05). RSP administrated SHRs showed a significantly higherSERCA2a transcription level than negative control SHRs(p<0.05). RSP administration had no negative effects onglycometabolism of SHR.
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Defect-Induced Epitaxial Growth for Efficient Solar Hydrogen Production
Zhang, Kan,Kim, Jung Kyu,Park, Bumsu,Qian, Shifeng,Jin, Bingjun,Sheng, Xiaowei,Zeng, Haibo,Shin, Hyunjung,Oh, Sang Ho,Lee, Chang-Lyoul,Park, Jong Hyeok American Chemical Society 2017 Nano letters Vol.17 No.11
<P>Epitaxial growth suffers from the mismatches in lattice and dangling bonds arising from different crystal structures or unit cell parameters. Here, we demonstrate the epitaxial growth of 2D MoS2 ribbon on 1D CdS nanowires (NWs) via surface and subsurface defects. The interstitial Cd-0 in the (1(2)over-bar10) crystal plane of the [0001]-oriented CdS NWs are found to serve as nucleation sites for interatomically bonded [001]-oriented MoS2, where the perfect lattice match (similar to 99.7%) between the(10(1)over-bar1) plane of CdS and the (002)-faceted in-plane MoS2 result in coaxial MoS2 ribbon/CdS NWs heterojunction. The coaxial but heterotropic epitaxial MoS2 ribbon on the surface of CdS NWs induces delocalized interface states that facilitate charge transport and the reduced surface state. A less than 5-fold ribbon width of MoS2 as hydrogen evolution cocatalyst exhibits a similar to 10-fold H-2 evolution enhancement than state of the art Pt in an acidi electrolyte, and apparent quantum yields of 79.7% at 420 nm 53.1% at 450 nm, and 9.67% at 520 nm, respectively.</P>
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